william



W. J. RUSSELL.

ACID TANK.

APPLICATION FILED DEC. 12, 1918.

1,315,241. A PatentedSept. 9,1919.

' luon/Whom anon/um To all whom it may concern: a y y a N Be it known that I, lWInLIAM J. RUSS LL,

citizen of the United States, residing at Detroit, county of Wayne, State ofMichiA gan, have invented a certain new andj'usd ful Improvement in Ac1dlanks, and declare the following to be a full, cleaigand exact description of thesame, such aswill enable others skilled inthe art to whichit pertains to make and use the same, reference being had to the accompanying drawings, which form a part of'this specification.

My invention relates to 1 acid tanks, shown in the accompanying drawings and m ore. particularly pointed out intheffollowmg specification and claims; s

One object of this invention is to provide a strong, substantial tank constructed of wood, with an inner wood lining or. held in spaced relation to the first named tank by a plurality of dovetailed members respectively engaging the walls of the outer tank and also the walls of the inner tank or wood lining ;the space between said Walls being filled by an acid resisting wall of plastic material. l Another object of the invention is to break the joints between the members forming the Walls of the tanks by strips which bridge the abutting edges and are lodged in recesses formed in therespective. members. a

Another feature of the construction are bolts which extend transversely through the respective members forming the walls of the tank to secure the several members in abutting relation.

l Vith the foregoing and other OlOJQCtS n view, which will appear as thedescription proceeds, the invention resides in the combination and arrangement of parts, and in the details of construction hereinafter described and claimed, it being HIIClBFStOOCl that changes may be made in the'precise embodi ment herein described without departing from the spirit of the invention. a In the drawings accompanying this specification Figure 1 is a plan view of the tank w th a portion broken away that it may be more conveniently shown upon the sheet, and with the strip covering the upper edges of the tank removed.

Fig. 2 is a side elevation of the same with a like portion removed. l

STATES WENT placed upon the drawings ing the sides, tru t d i a members 1 walls of thetan k.

rues.

Speci ncation of Letters Patenti .Pdtnted Sephg, 1919; Application filled I Deceii'il fl i i I i i i Referring now to the lettersof reference a A, aeejoitesuie tank, inwhich walls formends,; 1 bottom are cenplurality of abutting wooden strips B, secured togethercby transverse bolts D, the heads and nuts being preferably countersunk in the walls 5 of he tank and covered with anacid resisting plastic this.

beltedtofthe walls of :the ta'nk, and G, are

similar cross members secured to the bottom Fig. 3 is a crosssectional view ofthetank.

.within the tank A, being heldinfspaced relatioli tb walls of 'thedlatter by dovetailed lo ed a he re ec ve Walls inner "and outer 'tanks. J are strips supported 111 a recess in the abutting edges of the members forming the walls of both the inner and outer tanks, to bridge the oint between their opposing edges.

K, indicates a wall of acid resisting com- ;position lodged in thespace provided be tween the inner and outer walls of the respecti-ve tanks.

L, denotes a strip overlapping the edges of the respective walls of the tank and secured thereto.

Having now indicated the several parts entering into the manufacture of the tank 1ts construction will be readily understood.

It will be notedthat the walls of the tank at the corners are securely held together through the coordination of the respective dovetailed members I in the side and end wallsQ It will also be evident that should the tank spring or develop a leak, the acid resisting composition K, which isof the low melting point (preferably acid proof asphalt) would operate to seal the opening through the What I claim is: y l a LA device of the character-described comprislng an outer tank, an inner tank or lining in spaced relation to the outer tank,

means engaging the walls of the inner and outer tanks to maintain them in spaced relation, and a wall of low melting acidresisting material lodged between the walls of the inner and outer tanks.

2. A device of the character described comprising an outer tank formed of a plurality of wooden members bolted together,

, strips lodged in recesses formed in the edges of said Wood members and bridging'the joint between said members, a wood lining spaced from the walls of the tanks, dove tailed members engaging the walls of the tank and thewood lining, and a' wall of. acid resisting material filling the space be' tween the walls of the tank and the wood ing spaced from thewan of the tank, a wall of low melting acidresisting material filling the space between the'walls of the tank and "the woodlining', and members covering the edges of the inner Wood lining, the wall of acid resisting material, andthefwall ofthe putertank, '1 I 4', A devic'e" 'of' 'the character" described.

bers, a plurality of bolts extending transversely through the members of the outer tank, strips lodged in recesses formed in the edges of the members of both tanks,

dovetailed members engaging the adjacent Walls of the lnner and outer tanks, a Wall of low melting acid resisting material filling the space between the Walls of the inner and outer tanks, and a top strip covering the upper edges of the mner and outer tanks therebetween.

In testimony whereof, I sign this specification 1n the presence oi two Witnesses.

WILLIAM J. RUSSELL.

S. E. THOMAS, JOHN CONSIDI'NE, Jr.

brin bf this pat nt may be obtained for five cents each, by addressing the Commissioner of Patents.

' p e Washingtoii, 2D. 0.

and the wall of the acid resisting material .1; 

